135/dcape-dns-config
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add: domain_id(), acme_insert()

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This commit is contained in:
Alexey Kovrizhkin
2023-06-15 21:38:18 +03:00
parent f14eed01dd
commit e4c95d8049
2 changed files with 103 additions and 48 deletions
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78
domain.sql.sample
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@@ -1,37 +1,3 @@
CREATE OR REPLACE FUNCTION soa_upd(a_old TEXT) RETURNS TEXT AS $_$
/*
принять SOA, проверить на "сегодня", если сегодня, то во вторую пару цифр сделать +1
если не сегодня, или null, то сегодня += 00
если SOA в принципе не по дате, к ней сделать +1
*/
DECLARE
v_soa TEXT;
v_id INTEGER;
BEGIN
v_soa := to_char(current_timestamp, 'YYYYMMDD');
IF a_old IS NULL OR a_old < v_soa || '00' THEN
-- SOA нет или меньше сегодняшнего
RETURN v_soa || '00';
END IF;
v_id := substr(a_old, length(v_soa) + 1)::INT + 1;
v_soa := substr(a_old, 1, length(v_soa)) || CASE WHEN v_id < 10 THEN '0' ELSE '' END || v_id::TEXT;
RETURN v_soa;
END
$_$ LANGUAGE plpgsql;
/*
SELECT x, soa_upd(x) FROM unnest(ARRAY[
null
, '2023060100'
, '2023060600'
, '2023060604'
, '2023060624'
, '2024060624'
, '202406061100'
]) x;
*/
DO $$
-- Reload PowerDNS zone data
@@ -39,6 +5,7 @@ DO $$
DECLARE
v_domain text := 'dev.lan'; -- domain name
v_ip text := '127.0.0.1'; -- base ip
v_ip1 text := '127.0.1.1'; -- some another ip
v_ns text := 'ns.dev.lan'; -- master DNS host
v_ns_admin text := 'admin.ns.dev.lan'; -- master DNS admin email
v_domain_id integer; -- internal domain id
@@ -46,28 +13,43 @@ DECLARE
v_stamp_old text; -- previous zone SOA timestamp
v_soa text; -- zone SOA
/*
refresh -- time lag until the slave again asks the master for a current version of the zone file
retry -- Should this request go unanswered, the “Retry” field regulates when a new attempt is to be carried out (< refresh)
expire -- determines how long the zone file may still be used before the server refuses DNS information delivery
ttl -- how long a client may hold the requested information in the cache before a new request must be sent
Each value in seconds
*/
v_refresh int := 10800;
v_retry int := 3600;
v_expire int := 604800;
v_ttl int := 1800;
BEGIN
v_domain_id := domain_id(v_domain);
SELECT INTO v_domain_id id FROM domains WHERE name = v_domain;
IF NOT FOUND THEN
INSERT INTO domains (name, type) VALUES
(v_domain, 'NATIVE')
RETURNING id INTO v_domain_id
;
END IF;
-- calculate SOA with next serial
SELECT INTO v_stamp_old split_part(content, ' ', 3) FROM records WHERE domain_id = v_domain_id AND type = 'SOA';
v_stamp := soa_upd(v_stamp_old);
v_soa := concat_ws(' ', v_ns, v_ns_admin, v_stamp, '10800 3600 604800 1800');
v_soa := concat_ws(' ', v_ns, v_ns_admin, v_stamp, v_refresh, v_retry, v_expire, v_ttl);
-- clear zone
DELETE FROM records WHERE domain_id = v_domain_id;
-- all zone records are following here
INSERT INTO records (domain_id, name, ttl, type, prio, content) VALUES
(v_domain_id, v_domain, 60, 'SOA', 0, v_soa)
, (v_domain_id, v_domain, 1800, 'NS', 0, 'ns.' || v_domain)
, (v_domain_id, v_domain, 1800, 'MX', 5, 'mail.' || v_domain)
, (v_domain_id, v_domain, 1800, 'A', 0, v_ip)
, (v_domain_id, v_domain, 1800,'TXT', 0, 'v=spf1 mx ~all')
, (v_domain_id, 'www.' || v_domain, 1800, 'A', 0, v_ip)
, (v_domain_id, v_domain, v_ttl, 'NS', 0, 'ns.' || v_domain)
, (v_domain_id, v_domain, v_ttl, 'MX', 5, 'mail.' || v_domain)
, (v_domain_id, v_domain, v_ttl,'TXT', 0, 'v=spf1 mx ~all')
, (v_domain_id, v_domain, v_ttl, 'A', 0, v_ip)
, (v_domain_id, 'www.' || v_domain, v_ttl, 'A', 0, v_ip)
;
-- setup DNS-01 challenge for NS at v_ip1
CALL acme_insert(v_domain_id, 'front.' || v_domain, v_ip1, v_ttl);
END;
$$;